80339680

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3833}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 191301264

約数和(自身を除く): 110961584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 3833, 4192, 5240, 7666, 10480, 15332, 19165, 20960, 30664, 38330, 61328, 76660, 122656, 153320, 306640, 502123, 613280, 1004246, 2008492, 2510615, 4016984, 5021230, 8033968, 10042460, 16067936, 20084920, 40169840, 80339680]

約数ペア:

[(1, 80339680), (2, 40169840), (4, 20084920), (5, 16067936), (8, 10042460), (10, 8033968), (16, 5021230), (20, 4016984), (32, 2510615), (40, 2008492), (80, 1004246), (131, 613280), (160, 502123), (262, 306640), (524, 153320), (655, 122656), (1048, 76660), (1310, 61328), (2096, 38330), (2620, 30664), (3833, 20960), (4192, 19165), (5240, 15332), (7666, 10480)]